Question about ViewSonic Televison & Video

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My ViewSonic N3252w screen goes dark after 30 - 45 minutes of viewing. I power it off for 15 - 30 minutes and it works again - but only for 30 - 45 minutes (again). This issue repeats over and over.

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The backlight inverter is failing for your tv. You need a direct replacement part. You can find parts on ebay or shopjimmy.com and you can search my the model number of the tv. Once you get the part, allow your tv to be unpluged for 12 hours before beginning any work. This will allow charges to dissipate and allows for a safe work environment. Once you replace the part you will be good to go. Also, check the power supply for popped capacitors while you have the tv open. Replace any bad capacitors with the same uF value and HIGHER voltage value (EX: 1000uF 10v --> 1000uF 35v)



Thank you and please rate.

Posted on Apr 11, 2011

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Hello, I have a Viewsonic n3252w. It works for about an hour or two then black screen. Unplug it for an hour or two it works. Looked at lot of internet help sites and think its bad caps.


Most likely the power supply board needs to be replaced. Viewsonic is notorious for failure, it may not be worth trying to fix.

If you don't know what you're doing, DON'T OPEN THE MONITOR UP TO FIX IT, THERE ARE HAZARDOUS VOLTAGES ON THE POWER SUPPLY BOARD, EVEN WEEKS AFTER THE MONITOR IS UNPLUGGED!

If you don't know how to do it yourself, find some local Electronic repair shops, get quotes, try to find reviews on the shops.

Sep 20, 2016 | ViewSonic N3252w 32 in. LCD Television

1 Answer

I have a 32 inch viewsonic model n3252w black screen with no sound .


This model has a history of power supply problems. Depending on your level of expertise on electronic repair, you can repair the power supply or replace it. The most common repair is to replace the bulging power supply capacitors.

Feb 26, 2013 | ViewSonic N3252w 32 in. LCD Television

1 Answer

Viewsonic n3252w psu change,pwr on screen go blue 1sec.to black


The main board will have faulty component/s. Seek tech support.

Jun 07, 2012 | ViewSonic N3252w 32 in. LCD Television

1 Answer

Viewsonic N3252W picture ok but no sound


Download the repair book to this TV by net. It will have all details.

May 23, 2012 | ViewSonic N3252w 32 in. LCD Television

1 Answer

How to reboot N3252W


Unplug the power, wait an hour, then plug it back while holding the power button down. This will reset back to factory settings and most likely will solve your problem.

Mar 01, 2012 | ViewSonic N3252w 32 in. LCD Television

1 Answer

No Power - Viewsonic N3252w LCD TV


you go to a service centre near your area who repear it

Sep 08, 2009 | ViewSonic N3252w 32 in. LCD Television

1 Answer

My ViewSonic N3252 display is just a black screen in all inputs. Sound works fine but no picture.


As with most LCD screens the two most problems that cause black screen are bad a solderjoint on the inverter board or bulging capcitors, the next problem would be most likely the power mosfets witch break down after time.

Jul 28, 2009 | ViewSonic N3252w 32 in. LCD Television

2 Answers

Screen goes dark after few minutes


check your LCD inverter maybe there is loss connection or some parts damage from inverter.

May 05, 2009 | Polaroid TLA-01511C 15 in. LCD Television

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